Dirk detective, is a novel design, the instrument of work. This kind of instrument will open the door of wealth for you, help you on the top of my career. The following advice will help you to correct use and spare the good the instrument, improve the instrument was used 1, Do not remove or modification of instrument. 2, In the process of operation to avoid mobile phone or other metal near the instrument. 3, Please at 0 ° c-40 ° c temperature and 10%-30% humidity environment use this instrument is the best. 4, Use wire, needle etc metal will short circuit batteries, also will not battery with necklace metal put together, it could lead to electricity leak, overheating, burst and fire. 5, Do not charge for more than 24 hours. Please use the 220 V. Note: new battery only through two or three times complete charge and discharge cycle to achieve the best effect. 6, Away from the dust and dirt, they can lead to corrosion and wear parts. Regularly with wet cloth to wipe the probe to keep its appearance neat and clean like new. Not using harsh chemicals cleaning products.